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<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> name.pehl.taoki.<strong class="jxr_keyword">rest</strong>.paging.parser;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> name.pehl.taoki.<strong class="jxr_keyword">rest</strong>.paging.SortDir;
<a name="4" href="#4">4</a>   
<a name="5" href="#5">5</a>   <em class="jxr_javadoccomment">/**</em>
<a name="6" href="#6">6</a>   <em class="jxr_javadoccomment"> * Contains common functionality for all {@link PageInfoParser} implementations.</em>
<a name="7" href="#7">7</a>   <em class="jxr_javadoccomment"> * </em>
<a name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * @author $Author: harald.pehl $</em>
<a name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> * @version $Date: 2010-08-27 15:23:36 +0200 (Fr, 27. Aug 2010) $ $Revision: 98 $</em>
<a name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> */</em>
<a name="11" href="#11">11</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../name/pehl/taoki/rest/paging/parser/AbstractPageInfoParser.html">AbstractPageInfoParser</a> implements <a href="../../../../../../name/pehl/taoki/rest/paging/parser/PageInfoParser.html">PageInfoParser</a>
<a name="12" href="#12">12</a>  {
<a name="13" href="#13">13</a>      <em class="jxr_javadoccomment">/**</em>
<a name="14" href="#14">14</a>  <em class="jxr_javadoccomment">     * Verifies that the specified {@code clazz}</em>
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment">     * {@linkplain Class#isAssignableFrom(Class) is assignable from}</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment">     * {@code input.getClass()}.</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment">     * </em>
<a name="18" href="#18">18</a>  <em class="jxr_javadoccomment">     * @param input</em>
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="20" href="#20">20</a>  <em class="jxr_javadoccomment">     * @throws PageInfoParseException</em>
<a name="21" href="#21">21</a>  <em class="jxr_javadoccomment">     */</em>
<a name="22" href="#22">22</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> verifyInput(Object input, Class&lt;?&gt; clazz) <strong class="jxr_keyword">throws</strong> PageInfoParseException
<a name="23" href="#23">23</a>      {
<a name="24" href="#24">24</a>          <strong class="jxr_keyword">if</strong> (input != <strong class="jxr_keyword">null</strong>)
<a name="25" href="#25">25</a>          {
<a name="26" href="#26">26</a>              <strong class="jxr_keyword">if</strong> (!clazz.isAssignableFrom(input.getClass()))
<a name="27" href="#27">27</a>              {
<a name="28" href="#28">28</a>                  String error = String.format(<span class="jxr_string">"Input has the wrong format. Expected: %s, given: %s"</span>, clazz.getName(),
<a name="29" href="#29">29</a>                          input.getClass().getName());
<a name="30" href="#30">30</a>                  <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../name/pehl/taoki/rest/paging/parser/PageInfoParseException.html">PageInfoParseException</a>(error);
<a name="31" href="#31">31</a>              }
<a name="32" href="#32">32</a>          }
<a name="33" href="#33">33</a>      }
<a name="34" href="#34">34</a>  
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> convertInt(String input, String message, Object... params) <strong class="jxr_keyword">throws</strong> PageInfoParseException
<a name="37" href="#37">37</a>      {
<a name="38" href="#38">38</a>          <strong class="jxr_keyword">try</strong>
<a name="39" href="#39">39</a>          {
<a name="40" href="#40">40</a>              <strong class="jxr_keyword">int</strong> result = Integer.parseInt(input);
<a name="41" href="#41">41</a>              <strong class="jxr_keyword">return</strong> result;
<a name="42" href="#42">42</a>          }
<a name="43" href="#43">43</a>          <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
<a name="44" href="#44">44</a>          {
<a name="45" href="#45">45</a>              String error = String.format(message, params);
<a name="46" href="#46">46</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../name/pehl/taoki/rest/paging/parser/PageInfoParseException.html">PageInfoParseException</a>(error);
<a name="47" href="#47">47</a>          }
<a name="48" href="#48">48</a>      }
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>  
<a name="51" href="#51">51</a>      <em class="jxr_javadoccomment">/**</em>
<a name="52" href="#52">52</a>  <em class="jxr_javadoccomment">     * Converts the specifed string to a {@link SortDir} constant.</em>
<a name="53" href="#53">53</a>  <em class="jxr_javadoccomment">     * </em>
<a name="54" href="#54">54</a>  <em class="jxr_javadoccomment">     * @param input</em>
<a name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     *            the {@link SortDir} constant to convert (case insensitiv!)</em>
<a name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     * @return {@link SortDir#NONE} if &lt;code&gt;input&lt;/code&gt; is &lt;code&gt;null&lt;/code&gt;,</em>
<a name="57" href="#57">57</a>  <em class="jxr_javadoccomment">     *         the relevant {@link SortDir} constant otherwise.</em>
<a name="58" href="#58">58</a>  <em class="jxr_javadoccomment">     * @throws PageInfoParseException</em>
<a name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     *             if &lt;code&gt;input&lt;/code&gt; is not &lt;code&gt;null&lt;/code&gt;, but invalid.</em>
<a name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     */</em>
<a name="61" href="#61">61</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../../name/pehl/taoki/rest/paging/SortDir.html">SortDir</a> convertSortDir(String input) <strong class="jxr_keyword">throws</strong> PageInfoParseException
<a name="62" href="#62">62</a>      {
<a name="63" href="#63">63</a>          <strong class="jxr_keyword">if</strong> (input == <strong class="jxr_keyword">null</strong>)
<a name="64" href="#64">64</a>          {
<a name="65" href="#65">65</a>              <strong class="jxr_keyword">return</strong> SortDir.NONE;
<a name="66" href="#66">66</a>          }
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>          <strong class="jxr_keyword">try</strong>
<a name="69" href="#69">69</a>          {
<a name="70" href="#70">70</a>              <a href="../../../../../../name/pehl/taoki/rest/paging/SortDir.html">SortDir</a> result = SortDir.valueOf(input.toUpperCase());
<a name="71" href="#71">71</a>              <strong class="jxr_keyword">return</strong> result;
<a name="72" href="#72">72</a>          }
<a name="73" href="#73">73</a>          <strong class="jxr_keyword">catch</strong> (IllegalArgumentException iae)
<a name="74" href="#74">74</a>          {
<a name="75" href="#75">75</a>              String error = String
<a name="76" href="#76">76</a>                      .format(<span class="jxr_string">"Page info contains the invalid sort direction \&quot;%s\&quot;. Please specify one of the following constants: %s"</span>,
<a name="77" href="#77">77</a>                              input, SortDir.values());
<a name="78" href="#78">78</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../name/pehl/taoki/rest/paging/parser/PageInfoParseException.html">PageInfoParseException</a>(error);
<a name="79" href="#79">79</a>          }
<a name="80" href="#80">80</a>      }
<a name="81" href="#81">81</a>  }
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